Pet scratcher



FIG. 1 is a perspective view of a pet scratcher showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof, the back view being identical;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is right side view thereof; the left side view being identical. 

CLAIM The ornamental design for a pet scratcher, as shown and described. 